CN214256777U - Tool for improving thickness of blue glue of printed circuit board - Google Patents
Tool for improving thickness of blue glue of printed circuit board Download PDFInfo
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- CN214256777U CN214256777U CN202022602658.3U CN202022602658U CN214256777U CN 214256777 U CN214256777 U CN 214256777U CN 202022602658 U CN202022602658 U CN 202022602658U CN 214256777 U CN214256777 U CN 214256777U
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Abstract
The utility model provides a tool for improving the blue glue thickness of a printed circuit board, which comprises a printing screen, wherein a photosensitive layer is arranged above the printing screen, an exposure area is arranged in the photosensitive layer, the exposure area comprises a blue glue forming area and a positioning hole area, and the positioning hole area is symmetrically arranged around the blue glue forming area; the blue glue forming area is an L-shaped forming area. The utility model discloses can solve because blue gum need reach the many times printing problem that certain thickness leads to, be an instrument that reaches the printing blue gum of printing blue gum thickness fast, blue gum printing quality is more guaranteed simultaneously, has promoted the printing efficiency of printing blue gum, reduces the product and scraps, shortens production cycle.
Description
Technical Field
The utility model belongs to the technical field of circuit board processing auxiliary assembly, concretely relates to improve printed circuit board blue instrument of gluing thickness.
Background
With the development of the printed wiring board industry, the requirements for products are higher and higher, for example, the thickness of the printed blue gel is required to reach 0.25 mm and above. At present, most circuit board factories meet customers by increasing the printing times, the efficiency is reduced and the cost is wasted by increasing the printing times, and the quality risks of yellowing and scratching of ink of the circuit boards are increased due to too many times of board baking.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a improve printed circuit board blue glue thickness's instrument. The utility model discloses can once only print blue glue thickness and reach more than 0.25 mm, obviously reduce and scrap the risk, promote the efficiency of printing blue glue, further shorten the cycle of product shipment.
The technical scheme of the utility model is that:
a tool for improving the thickness of blue gel of a printed circuit board is characterized by comprising a printing screen, wherein a photosensitive layer is arranged above the printing screen, an exposure area is arranged in the photosensitive layer, the exposure area comprises a blue gel forming area and positioning hole areas, and the positioning hole areas are symmetrically arranged on the periphery of the blue gel forming area;
the blue glue forming area is an L-shaped forming area.
The utility model relates to a printing blue glue makes blue glue can reach the instrument of certain thickness, can solve because blue glue need reach the many times printing problem that certain thickness leads to, is the instrument of printing blue glue that reaches printing blue glue thickness fast. Meanwhile, the printing quality of the blue gel is guaranteed, the printing efficiency of the blue gel is improved, the product scrap is reduced, and the production period is shortened.
Furthermore, the positioning hole area comprises a first positioning hole, a second positioning hole and a third positioning hole, the first positioning hole and the second positioning hole are arranged on one side of the blue gel forming area, and the first positioning hole and the third positioning hole are symmetrically arranged on two sides of the blue gel forming area.
Further, the thickness of the photosensitive layer is 200-300 μm.
Furthermore, the printing screen is a printing screen with 14-28T screen meshes.
Further, the photosensitive layer is located in the central area of the printing screen.
The utility model discloses the instrument is a photosensitive material that the use has certain thickness, and this photosensitive material has the hydrophilicity, evenly coats on the half tone of 14-28T's gauze preparation through water and scraper, then through the special half tone of a printing blue gel that forms behind low temperature stoving, exposure, the development.
The preparation method of the utility model comprises the following steps:
s1, selecting the photosensitive material with the thickness of 200-300 μm, wherein the length and the width are larger than those of the produced plate.
S2, selecting 14T-28T gauze to manufacture a screen printing plate, and pasting cut photosensitive materials on the back of the screen printing plate;
s3, completely wetting the photosensitive material by using water and uniformly coating the photosensitive material on the gauze by using a scraper;
s4.45 +/-5 ℃ baking for 10-30 minutes to dry the screen printing plate;
s5, sticking the baked screen plate on a photosensitive material by using a designed blue gel pattern film for exposure;
s6, washing the photosensitive material with a high-pressure water gun after exposure to develop a required blue gel pattern;
s7, checking and checking whether the pattern of the screen printing plate is consistent with the pattern of the required blue gel.
After the tool is installed, the blue glue is printed, and the thickness of the blue glue is more than or equal to 0.25 mm after 1 time of printing.
The beneficial effects of the utility model reside in that:
1. the problem that blue glue is required to be printed for 2-3 times when the printing thickness of the blue glue is more than or equal to 0.25 mm is solved, the requirement on the thickness can be met only by printing for 1 time, the efficiency is improved, and the delivery period is shortened.
2. The scrapping risks of plate surface scratching and plate surface ink yellowing caused by repeated printing of blue gel are reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the blue gel preparation of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
A tool for improving the thickness of blue gel of a printed circuit board is characterized by comprising a printing screen 1, wherein a photosensitive layer 2 is arranged above the printing screen, an exposure area 3 is arranged in the photosensitive layer, the exposure area comprises a blue gel forming area 31 and a positioning hole area 32, and the positioning hole area is symmetrically arranged around the blue gel forming area;
the blue glue forming area is an L-shaped forming area.
Further, the positioning hole region includes a first positioning hole 321, a second positioning hole 322, and a third positioning hole 323, the first positioning hole and the second positioning hole are disposed on one side of the blue gel molding region, and the first positioning hole and the third positioning hole are symmetrically disposed on two sides of the blue gel molding region.
Further, the thickness of the photosensitive layer is 250 μm.
Further, the printing screen is a screen with a screen T number of 20T.
Further, the photosensitive layer is located in the central area of the printing screen.
The utility model relates to a printing blue glue makes blue glue can reach the instrument of certain thickness, can solve because blue glue need reach the many times printing problem that certain thickness leads to, is the instrument of printing blue glue that reaches printing blue glue thickness fast. Meanwhile, the printing quality of the blue gel is guaranteed, the printing efficiency of the blue gel is improved, the product scrap is reduced, and the production period is shortened.
Example 2
A tool for improving the thickness of blue gel of a printed circuit board is characterized by comprising a printing screen 1, wherein a photosensitive layer 2 is arranged above the printing screen, an exposure area 3 is arranged in the photosensitive layer, the exposure area comprises a blue gel forming area 31 and a positioning hole area 32, and the positioning hole area is symmetrically arranged around the blue gel forming area;
the blue glue forming area is an L-shaped forming area.
Further, the positioning hole region includes a first positioning hole 321, a second positioning hole 322, and a third positioning hole 323, the first positioning hole and the second positioning hole are disposed on one side of the blue gel molding region, and the first positioning hole and the third positioning hole are symmetrically disposed on two sides of the blue gel molding region.
Further, the thickness of the photosensitive layer is 200 μm.
Further, the printing screen is a screen with a 28T number of screen meshes.
Example 3
A tool for improving the thickness of blue gel of a printed circuit board is characterized by comprising a printing screen 1, wherein a photosensitive layer 2 is arranged above the printing screen, an exposure area 3 is arranged in the photosensitive layer, the exposure area comprises a blue gel forming area 31 and a positioning hole area 32, and the positioning hole area is symmetrically arranged around the blue gel forming area;
the blue glue forming area is an L-shaped forming area.
Further, the positioning hole region includes a first positioning hole 321, a second positioning hole 322, and a third positioning hole 323, the first positioning hole and the second positioning hole are disposed on one side of the blue gel molding region, and the first positioning hole and the third positioning hole are symmetrically disposed on two sides of the blue gel molding region.
Further, the thickness of the photosensitive layer is 300 μm.
Further, the printing screen is a screen with a 14T number of screen meshes.
Experimental testing
After the tool of embodiment 1 is mounted, the blue gel is printed, the blue gel 4 obtained after printing and curing is in an L-shaped blue gel shape as shown in fig. 2, and then the blue gel is torn off, 5 points are selected and the thickness (unit mm) of the blue gel is tested by using a micrometer, wherein the thickness (unit mm) of the blue gel comprises a first test point 41, a second test point 42, a third test point 43, a fourth test point 44 and a fifth test point 45, and the data are shown in the following table.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art. It should be noted that the technical features not described in detail in the present invention can be implemented by any prior art.
Claims (5)
1. A tool for improving the thickness of blue gel of a printed circuit board is characterized by comprising a printing screen, wherein a photosensitive layer is arranged above the printing screen, an exposure area is arranged in the photosensitive layer, the exposure area comprises a blue gel forming area and positioning hole areas, and the positioning hole areas are symmetrically arranged on the periphery of the blue gel forming area;
the blue glue forming area is an L-shaped forming area.
2. The tool for improving the blue gel thickness of the printed circuit board according to claim 1, wherein the positioning hole area comprises a first positioning hole, a second positioning hole and a third positioning hole, the first positioning hole and the second positioning hole are disposed on one side of the blue gel forming area, and the first positioning hole and the third positioning hole are symmetrically disposed on two sides of the blue gel forming area.
3. The tool for improving the thickness of blue gel of printed circuit board as claimed in claim 1, wherein the thickness of the photosensitive layer is 200 μm and 300 μm.
4. The tool for improving the thickness of blue gel of printed circuit board according to claim 1, wherein said printing screen is a printing screen with a T number of screen gauze of 14-28T.
5. The tool for improving the blue gel thickness of the printed circuit board of claim 1, wherein the photosensitive layer is located in the central area of the printing screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022602658.3U CN214256777U (en) | 2020-11-12 | 2020-11-12 | Tool for improving thickness of blue glue of printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022602658.3U CN214256777U (en) | 2020-11-12 | 2020-11-12 | Tool for improving thickness of blue glue of printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214256777U true CN214256777U (en) | 2021-09-21 |
Family
ID=77732031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022602658.3U Active CN214256777U (en) | 2020-11-12 | 2020-11-12 | Tool for improving thickness of blue glue of printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214256777U (en) |
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2020
- 2020-11-12 CN CN202022602658.3U patent/CN214256777U/en active Active
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